See magnetism.
A volume of a ferromagnetic material in which all electron spins are aligned in the same direction. In most naturally occurring minerals a magnetic domain is about 1μm in diameter.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。